3211113668 has 18 divisors (see below), whose sum is σ = 6536910366. Its totient is φ = 1376191488.

The previous prime is 3211113667. The next prime is 3211113673. The reversal of 3211113668 is 8663111123.

It can be written as a sum of positive squares in only one way, i.e., 3146985604 + 64128064 = 56098^2 + 8008^2 .

It is a super-2 number, since 2×3211113668² = 20622501977632828448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3211113667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8191421 + ... + 8191812.

It is an arithmetic number, because the mean of its divisors is an integer number (363161687).

Almost surely, 2^3211113668 is an apocalyptic number.

It is an amenable number.

3211113668 is an abundant number, since it is smaller than the sum of its proper divisors (3325796698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3211113668 is a wasteful number, since it uses less digits than its factorization.

3211113668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16383251 (or 16383242 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 3211113668 is about 56666.6892274465. The cubic root of 3211113668 is about 1475.3165909338.

The spelling of 3211113668 in words is "three billion, two hundred eleven million, one hundred thirteen thousand, six hundred sixty-eight".